Jonathan Winer is cofounder and co-CEO of Sidewalk Infrastructure Partners (SIP). Backed by Alphabet, Ontario Teachers’ Pension Plan, and Sidewalk Labs, SIP applies innovative technology to urban infrastructure systems.

Over two decades in private equity, Jonathan has led investments of over $2.0B. Previously, Jonathan was Head of Investments at Sidewalk Labs, Alphabet’s urban innovation platform. In this role, Jonathan managed dedicated investment funds related to technology, real estate, and infrastructure and was responsible for Sidewalk Labs’ business model and financing strategy. He previously founded Nereus in 2009, a private equity fund that invests in alternative energy infrastructure in Asia. Prior to Nereus, Jonathan worked at the D. E. Shaw group, where he built the private equity team across venture capital, growth equity, and structured finance. Jonathan started his career by founding startups in natural language processing and computational biochemistry.

Jonathan graduated from Yale with degrees in Philosophy and Computer Science and lives in Brooklyn, New York.